A powerful earthquake off Mexico’s southern coast triggered seismic alarms in Mexico City on Sunday, though residents in the capital did not report feeling tremors.

At least 13 people were killed and dozens more injured after a passenger train derailed in southern Mexico, authorities said on Sunday, marking one of the deadliest rail accidents in the country in recent years.

A magnitude 5.6 earthquake hit Oaxaca, Mexico, on Wednesday, according to the German Research Centre for Geosciences (GFZ).